import java.util.Scanner;  

public class Main1 
{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		while(sc.hasNext()){
			int a = sc.nextInt();
			int b = sc.nextInt();
			if(a>1000)
			    System.out.println("a<=1000");
			 else 
		    	System.out.println(a+b);
		}
		sc.close();
		}
}